16161285547 has 8 divisors (see below), whose sum is σ = 18397036800. Its totient is φ = 14053291560.

The previous prime is 16161285509. The next prime is 16161285551. The reversal of 16161285547 is 74558216161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16161285547 - 2¹¹ = 16161283499 is a prime.

It is a super-2 number, since 2×16161285547² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16161285497 and 16161285506.

It is not an unprimeable number, because it can be changed into a prime (16161285047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31939047 + ... + 31939552.

It is an arithmetic number, because the mean of its divisors is an integer number (2299629600).

Almost surely, 2^16161285547 is an apocalyptic number.

16161285547 is a deficient number, since it is larger than the sum of its proper divisors (2235751253).

16161285547 is a wasteful number, since it uses less digits than its factorization.

16161285547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63878633.

The product of its digits is 403200, while the sum is 46.

The spelling of 16161285547 in words is "sixteen billion, one hundred sixty-one million, two hundred eighty-five thousand, five hundred forty-seven".